Past earthquakes near Mount St. Helens volcano: August 2021

Updated Oct 16, 2021 12:02 GMT -
During Aug 2021, Mount St. Helens volcano had 1 quake of magnitude 2.2. There were also 36 quakes below magnitude 2.0 which people don't normally feel.
Biggest quake: 2.2 quake 37 Km NNE of Amboy, Washington, Aug 29, 2021 10:57 am (GMT -7)
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Showing quakes magnitude 0.1 or higher (37 quakes):
Date and timeMag
Depth
DistanceLocationDetailsMap
Sunday, August 29, 2021 17:57 GMT (1 earthquake)
Aug 29, 2021 10:57 am (GMT -7) (Aug 29, 2021 17:57 GMT)
2.2

1.7 km
1 km (0.6 mi)37 Km NNE of Amboy, Washington MoreMap
Saturday, August 28, 2021 07:49 GMT (2 earthquakes)
Aug 28, 2021 12:49 am (GMT -7) (Aug 28, 2021 07:49 GMT)
0.8

15 km
24 km (15 mi)23 Km N of Amboy, Washington MoreMap
Aug 27, 2021 8:38 pm (GMT -7) (Aug 28, 2021 03:38 GMT)
1.2

15 km
22 km (14 mi)22 Km N of Amboy, Washington MoreMap
Friday, August 27, 2021 03:08 GMT (1 earthquake)
Aug 26, 2021 8:08 pm (GMT -7) (Aug 27, 2021 03:08 GMT)
0.5

14 km
22 km (14 mi)16 Km NNE of Amboy, Washington MoreMap
Thursday, August 26, 2021 22:32 GMT (1 earthquake)
Aug 26, 2021 3:32 pm (GMT -7) (Aug 26, 2021 22:32 GMT)
0.6

1 km
0.4 km (0.2 mi)37 Km NNE of Amboy, Washington MoreMap
Wednesday, August 25, 2021 08:46 GMT (1 earthquake)
Aug 25, 2021 1:46 am (GMT -7) (Aug 25, 2021 08:46 GMT)
1.2

4.3 km
36 km (22 mi)19 Km E of Castle Rock, Washington MoreMap
Tuesday, August 24, 2021 14:40 GMT (2 earthquakes)
Aug 24, 2021 7:40 am (GMT -7) (Aug 24, 2021 14:40 GMT)
0.7

1.7 km
0.1 km (0.1 mi)38 Km NNE of Amboy, Washington MoreMap
Aug 23, 2021 5:30 pm (GMT -7) (Aug 24, 2021 00:30 GMT)
1.0

12 km
37 km (23 mi)19 Km E of Kelso, Washington MoreMap
Monday, August 23, 2021 09:45 GMT (1 earthquake)
Aug 23, 2021 2:45 am (GMT -7) (Aug 23, 2021 09:45 GMT)
0.4

0.7 km
0.5 km (0.3 mi)37 Km NNE of Amboy, Washington MoreMap
Sunday, August 22, 2021 21:27 GMT (1 earthquake)
Aug 22, 2021 2:27 pm (GMT -7) (Aug 22, 2021 21:27 GMT)
0.5

1.2 km
2.4 km (1.5 mi)36 Km NE of Amboy, Washington MoreMap
Friday, August 20, 2021 10:13 GMT (4 earthquakes)
Aug 20, 2021 3:13 am (GMT -7) (Aug 20, 2021 10:13 GMT)
0.2

1 km
0.4 km (0.2 mi)37 Km NNE of Amboy, Washington MoreMap
Aug 20, 2021 2:14 am (GMT -7) (Aug 20, 2021 09:14 GMT)
0.7

5.2 km
10.3 km (6.4 mi)33 Km SSE of Morton, Washington MoreMap
Aug 20, 2021 1:09 am (GMT -7) (Aug 20, 2021 08:09 GMT)
0.8

15 km
36 km (22 mi)21 Km E of Castle Rock, Washington MoreMap
Aug 19, 2021 8:32 pm (GMT -7) (Aug 20, 2021 03:32 GMT)
0.6

4.1 km
0.8 km (0.5 mi)38 Km NNE of Amboy, Washington MoreMap
Thursday, August 19, 2021 13:22 GMT (3 earthquakes)
Aug 19, 2021 6:22 am (GMT -7) (Aug 19, 2021 13:22 GMT)
0.7

19 km
38 km (24 mi)5 Km SSE of Mossyrock, Washington MoreMap
Aug 19, 2021 12:01 am (GMT -7) (Aug 19, 2021 07:01 GMT)
0.8

1.9 km
2.1 km (1.3 mi)36 Km NE of Amboy, Washington MoreMap
Aug 18, 2021 11:17 pm (GMT -7) (Aug 19, 2021 06:17 GMT)
0.8

9.3 km
12 km (7.5 mi)36 Km SSE of Morton, Washington MoreMap
Friday, August 13, 2021 21:05 GMT (1 earthquake)
Aug 13, 2021 2:05 pm (GMT -7) (Aug 13, 2021 21:05 GMT)
0.2

2.1 km
0.6 km (0.4 mi)38 Km NNE of Amboy, Washington MoreMap
Sunday, August 8, 2021 01:24 GMT (1 earthquake)
Aug 7, 2021 6:24 pm (GMT -7) (Aug 8, 2021 01:24 GMT)
1.5

18 km
38 km (24 mi)5 Km SE of Mossyrock, Washington MoreMap
Friday, August 6, 2021 15:26 GMT (1 earthquake)
Aug 6, 2021 8:26 am (GMT -7) (Aug 6, 2021 15:26 GMT)
0.4

2.1 km
0.4 km (0.2 mi)38 Km NNE of Amboy, Washington MoreMap
Thursday, August 5, 2021 19:44 GMT (4 earthquakes)
Aug 5, 2021 12:44 pm (GMT -7) (Aug 5, 2021 19:44 GMT)
0.2

1.5 km
0.5 km (0.3 mi)38 Km NNE of Amboy, Washington MoreMap
Aug 5, 2021 9:52 am (GMT -7) (Aug 5, 2021 16:52 GMT)
0.6

16 km
41 km (25 mi)6 Km W of Morton, Washington MoreMap
Aug 5, 2021 7:52 am (GMT -7) (Aug 5, 2021 14:52 GMT)
0.6

6.8 km
1.4 km (0.9 mi)37 Km NNE of Amboy, Washington MoreMap
Aug 5, 2021 3:26 am (GMT -7) (Aug 5, 2021 10:26 GMT)
0.4

21 km
28 km (17 mi)Washington MoreMap
Wednesday, August 4, 2021 23:22 GMT (5 earthquakes)
Aug 4, 2021 4:22 pm (GMT -7) (Aug 4, 2021 23:22 GMT)
1.3

1.2 km
48 km (30 mi)Explosion - 3 Km ENE of Lewisville, Washington MoreMap
Aug 4, 2021 3:58 pm (GMT -7) (Aug 4, 2021 22:58 GMT)
1.0

20 km
32 km (20 mi)11 Km SSE of Mossyrock, Washington MoreMap
Aug 4, 2021 1:59 pm (GMT -7) (Aug 4, 2021 20:59 GMT)
1.2

19 km
33 km (21 mi)10 Km SSE of Mossyrock, Washington MoreMap
Aug 4, 2021 8:46 am (GMT -7) (Aug 4, 2021 15:46 GMT)
0.8

24 km
39 km (24 mi)5 Km ESE of Mossyrock, Washington MoreMap
Aug 4, 2021 7:38 am (GMT -7) (Aug 4, 2021 14:38 GMT)
0.5

20 km
32 km (20 mi)11 Km SSE of Mossyrock, Washington MoreMap
Tuesday, August 3, 2021 14:58 GMT (3 earthquakes)
Aug 3, 2021 7:58 am (GMT -7) (Aug 3, 2021 14:58 GMT)
1.1

5 km
10.8 km (6.7 mi)29 Km S of Morton, Washington MoreMap
Aug 3, 2021 5:59 am (GMT -7) (Aug 3, 2021 12:59 GMT)
0.6

0.8 km
0.3 km (0.2 mi)38 Km NNE of Amboy, Washington MoreMap
Aug 3, 2021 3:51 am (GMT -7) (Aug 3, 2021 10:51 GMT)
0.9

18 km
41 km (25 mi)6 Km W of Morton, Washington MoreMap
Monday, August 2, 2021 22:20 GMT (2 earthquakes)
Aug 2, 2021 3:20 pm (GMT -7) (Aug 2, 2021 22:20 GMT)
0.4

13 km
35 km (22 mi)21 Km E of Castle Rock, Washington MoreMap
Aug 2, 2021 17:50 GMT
0.2

14 km
18 km (11 mi)26 Km SSE of Mossyrock, Washington MoreMap
Sunday, August 1, 2021 23:53 GMT (3 earthquakes)
Aug 1, 2021 23:53 GMT
0.4

0.5 km
0.6 km (0.4 mi)38 Km NNE of Amboy, Washington MoreMap
Aug 1, 2021 18:28 GMT
1.7

17 km
35 km (22 mi)21 Km E of Castle Rock, Washington MoreMap
Aug 1, 2021 15:05 GMT
0.8

0.3 km
0.7 km (0.4 mi)37 Km NNE of Amboy, Washington MoreMap
Estimated combined seismic energy released: 2 x 108 joules (55.2 kilowatt hours) More info
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Earthquake statistics

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